39109775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 53594784

約数和(自身を除く): 14485009

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 4001, 9775, 20005, 68017, 92023, 100025, 340085, 460115, 1564391, 1700425, 2300575, 7821955, 39109775]

約数ペア:

[(1, 39109775), (5, 7821955), (17, 2300575), (23, 1700425), (25, 1564391), (85, 460115), (115, 340085), (391, 100025), (425, 92023), (575, 68017), (1955, 20005), (4001, 9775)]